51268490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1143

約数の個数: 64

約数和(自身を含む): 115831296

約数和(自身を除く): 64562806

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 182, 265, 371, 455, 530, 689, 742, 910, 1063, 1378, 1855, 2126, 3445, 3710, 4823, 5315, 6890, 7441, 9646, 10630, 13819, 14882, 24115, 27638, 37205, 48230, 56339, 69095, 74410, 96733, 112678, 138190, 193466, 281695, 394373, 483665, 563390, 732407, 788746, 967330, 1464814, 1971865, 3662035, 3943730, 5126849, 7324070, 10253698, 25634245, 51268490]

約数ペア:

[(1, 51268490), (2, 25634245), (5, 10253698), (7, 7324070), (10, 5126849), (13, 3943730), (14, 3662035), (26, 1971865), (35, 1464814), (53, 967330), (65, 788746), (70, 732407), (91, 563390), (106, 483665), (130, 394373), (182, 281695), (265, 193466), (371, 138190), (455, 112678), (530, 96733), (689, 74410), (742, 69095), (910, 56339), (1063, 48230), (1378, 37205), (1855, 27638), (2126, 24115), (3445, 14882), (3710, 13819), (4823, 10630), (5315, 9646), (6890, 7441)]